Error installing plugin maven tibco bw 6.6

Hi,

I get the following error,

eclipse.buildId=unknown
java.version=1.8.0_221
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=es_CO
Framework arguments: -showlocation
Command-line arguments: -os win32 -ws win32 -arch x86_64 -showlocation

org.eclipse.equinox.p2.ui

Error
Thu Nov 26 11:39:36 COT 2020
HTTP Proxy Authentication Required: http://download.eclipse.org/releases/luna/content.xml

org.eclipse.equinox.p2.core.ProvisionException: HTTP Proxy Authentication Required: http://download.eclipse.org/releases/luna/content.xml
at org.eclipse.equinox.internal.p2.repository.CacheManager.createCache(CacheManager.java:192)
at org.eclipse.equinox.internal.p2.metadata.repository.SimpleMetadataRepositoryFactory.getLocalFile(SimpleMetadataRepositoryFactory.java:66)
at org.eclipse.equinox.internal.p2.metadata.repository.SimpleMetadataRepositoryFactory.load(SimpleMetadataRepositoryFactory.java:88)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.factoryLoad(MetadataRepositoryManager.java:57)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:768)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:668)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:96)
at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:92)
at org.eclipse.equinox.p2.ui.ProvisioningUI.loadMetadataRepository(ProvisioningUI.java:439)
at org.eclipse.equinox.internal.p2.ui.QueryableMetadataRepositoryManager.doLoadRepository(QueryableMetadataRepositoryManager.java:46)
at org.eclipse.equinox.internal.p2.ui.QueryableMetadataRepositoryManager.doLoadRepository(QueryableMetadataRepositoryManager.java:1)
at org.eclipse.equinox.internal.p2.ui.QueryableRepositoryManager.loadRepository(QueryableRepositoryManager.java:120)
at org.eclipse.equinox.internal.p2.ui.QueryableRepositoryManager.query(QueryableRepositoryManager.java:157)
at org.eclipse.equinox.internal.p2.ui.QueryableRepositoryManager.query(QueryableRepositoryManager.java:72)
at org.eclipse.equinox.internal.p2.ui.ElementQueryDescriptor.performQuery(ElementQueryDescriptor.java:60)
at org.eclipse.equinox.internal.p2.ui.model.QueriedElement.fetchChildren(QueriedElement.java:104)
at org.eclipse.equinox.internal.p2.ui.model.CategoryElement.fetchChildren(CategoryElement.java:126)
at org.eclipse.equinox.internal.p2.ui.model.RemoteQueriedElement.fetchDeferredChildren(RemoteQueriedElement.java:37)
at org.eclipse.ui.progress.DeferredTreeContentManager$1.run(DeferredTreeContentManager.java:238)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

Caused by: org.eclipse.ecf.filetransfer.BrowseFileTransferException: Proxy Authentication Required
at org.eclipse.ecf.provider.filetransfer.httpclient4.HttpClientFileSystemBrowser.runRequest(HttpClientFileSystemBrowser.java:287)
at org.eclipse.ecf.provider.filetransfer.browse.AbstractFileSystemBrowser$DirectoryJob.run(AbstractFileSystemBrowser.java:69)
… 1 more

regards,